🦠
Microbes in Human-Welfare NEET PYQs
Class XII Biology
•
NCERT Based
•
NEET Practice
📘 Concept Based
📝 Exam Level
🤖 AI Explanations
This page score: 0/40
12 questions in this chapter
Identify the microorganism which is responsible for
the production of an immunosuppressive molecule
cyclosporin A:
Explanation will be generated when opened.
Match List-I with List-II.
| List-I |
List-II |
| (A)Aspergillus niger |
(I)Acetic Acid |
| (B)Acetobacter aceti |
(II)Lactic Acid |
| (C)Clostridium butylicum |
(III)Citric Acid |
| (D)Lactobacillus |
(IV)Butyric Acid |
Choose the correct answer from the options given below:
Explanation will be generated when opened.
Cyclosporin A, used as immuno suppression agent, is
produced from:
Explanation will be generated when opened.
Match the following columns and select the correct
option:
| Column-I |
Column-II |
| (A)Dragonflies |
(I)Biocontrol agents of several plant
pathogens |
| (B)Bacillus thuringiensis |
(II)Get rid of Aphids and mosquitoes |
| (C)Glomus |
(III)Narrow spectrum insecticidal applications |
| (D)Baculoviruses |
(IV)Biocontrol agents of lepidopteran
plant pests |
|
(V)Absorb phosphorus from soil |
Explanation will be generated when opened.
For the commercial and industrial production of Citric Acid, which of the following microbes is used?
Explanation will be generated when opened.
Match the following organisms with the products
they produce:
| (A)Lactobacillus |
(I)Cheese |
| (B)Saccharomyces cerevisiae |
(II)Curd |
| (C)Aspergillus niger |
(III)Citric Acid |
| (D)Acetobacter aceti |
(IV)Bread |
|
(V)Acetic Acid |
Select the correct option.
Explanation will be generated when opened.
Which of the following can be used as a biocontrol
agent in the treatment of plant disease?
Explanation will be generated when opened.
Select the correct group of biocontrol agents.
Explanation will be generated when opened.
Match List I with List II:
|
List-I |
|
List-II |
| A. |
Clostridium butylicum |
I. |
Ethanol |
| B. |
Saccharomyces cerevisiae |
II. |
Streptokinase |
| C. |
Trichoderma polysporum |
III. |
Butyric acid |
| D. |
Streptococcus sp. |
IV. |
Cyclosporin-A |
Choose the correct answer form the options given
below:
Explanation: NCERT Page No. 183 (Topic-10.2.3 Chemicals, Enzymes and other Bioactive Molecules)
Which of the following is used as a clot buster?
Streptokinase is used as a clot buster to remove blood clots from the blood vessels of patients who have suffered myocardial infarction.
